CN109595623B - Smoke guide plate and range hood using same - Google Patents
Smoke guide plate and range hood using same Download PDFInfo
- Publication number
- CN109595623B CN109595623B CN201710918368.XA CN201710918368A CN109595623B CN 109595623 B CN109595623 B CN 109595623B CN 201710918368 A CN201710918368 A CN 201710918368A CN 109595623 B CN109595623 B CN 109595623B
- Authority
- CN
- China
- Prior art keywords
- smoke
- guide plate
- smoke guide
- plate body
- axial flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000779 smoke Substances 0.000 title claims abstract description 163
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 239000006233 lamp black Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 238000010521 absorption reaction Methods 0.000 abstract description 12
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 238000013459 approach Methods 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 abstract description 2
- 239000003517 fume Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Abstract
The invention relates to a smoke guide plate and a range hood with the smoke guide plate, wherein the smoke guide plate comprises a smoke guide plate body and an axial flow fan, and the axial flow fan is arranged at the rear side of the smoke guide plate body; the smoke guide plate body is provided with a vent, the front end of the axial flow fan is provided with an air inlet corresponding to the vent, and the rear end of the axial flow fan is provided with an air outlet. The smoke guide plate body is provided with the ventilation opening which is arranged towards the air inlet of the smoke exhaust ventilator, and the ventilation opening is provided with the axial flow fan, when the smoke exhaust ventilator is used, the smoke rises and approaches to the ventilation opening, and the power generated by the operation of the axial flow fan can directly and rapidly push the smoke rising to the vicinity of the ventilation opening into the flue, so that a large amount of smoke is exhausted; when the axial flow fan operates, the negative pressure at the rear side of the smoke guide plate body is increased, so that the fume is sucked into the flue from the edge of the smoke guide plate body; when the axial flow fan operates, a certain injection effect is generated at the edge of the vent, so that the suction of oil smoke is facilitated; thereby improving the oil smoke absorption effect.
Description
Technical Field
The invention relates to a smoke guide plate and a range hood using the same.
Background
The Chinese invention (CN 10514823B) with smoke guide plate with patent number ZL200910096759.3 has the body, smoke collecting hood with air inlet, smoke guide plate set to the air inlet and with preset interval to the smoke collecting hood, and smoke channel between the smoke guide plate and the smoke collecting hood for the smoke to pass through, and the smoke guide plate is fixed and has the following functions:
(1) The overall installation height of the top-suction type range hood determines that the range hood is far away from a cooker for generating lampblack, and the negative pressure loss is relatively large;
(2) The smoke guide plate is arranged at the port of the smoke collecting cover and is designed in a split mode with the smoke collecting cover, so that the depth of the smoke collecting cover is reduced to a great extent after the smoke guide plate is arranged on the range hood, and a certain degree of smoke blasting phenomenon often occurs due to untimely absorption of the smoke.
Disclosure of Invention
The invention aims to solve the technical problem of providing a smoke guide plate capable of improving the smoke absorption effect by increasing the negative pressure around the smoke guide plate.
The invention aims to solve the technical problem of providing a smoke guide plate capable of improving the oil smoke absorption effect by generating injection effect.
Yet another technical problem to be solved by the present invention is to provide a range hood with the above-mentioned smoke guide plate, which improves the smoke absorbing effect by increasing the negative pressure around the smoke guide plate.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a smoke guide, includes smoke guide body, its characterized in that: the smoke guide plate comprises a smoke guide plate body, a smoke guide plate cover and an axial flow fan, wherein the smoke guide plate body is arranged on the front side of the smoke guide plate body; the smoke guide plate body is provided with a vent, the front end of the axial flow fan is provided with an air inlet corresponding to the vent, and the rear end of the axial flow fan is provided with an air outlet.
As an improvement, be provided with the first oil smoke passageway that extends backward gradually from the vent edge on the smoke guide plate body, open on the lateral wall of this first oil smoke passageway and supply the oil smoke to pass through and produce the hole of ejecting the effect to the oil smoke, axial fan locates the rear end of first oil smoke passageway. By adopting the structure, the oil smoke passing through the ventilation opening can be ejected in a larger range, so that the oil smoke suction is accelerated, and the oil smoke absorption effect is improved.
Preferably, the inner diameter of the first lampblack channel gradually decreases from front to back. The structure actually increases the inner surface area of the first oil smoke channel, increases the area of holes for generating injection action, and further improves the oil smoke absorption effect.
And in addition, a secondary board capable of covering or opening the ventilation opening is arranged on the front side of the smoke guide plate body, and a second oil smoke channel is formed between the secondary board and the smoke guide plate body in the state that the ventilation opening is opened. The secondary board is arranged, so that the oil smoke absorption effect can be controlled to a certain extent, when a large amount of oil smoke is rapidly generated, the secondary board is opened, on one hand, the negative pressure and the injection effect generated by the axial flow fan at the air vent are utilized to directly push the large amount of oil smoke into the flue, on the other hand, the negative pressure at the rear side of the smoke guide plate body can be reduced when the axial flow fan operates, and the rest oil smoke is sucked from the edge of the smoke guide plate body; when the oil smoke generating speed is slower, the secondary board is closed, and the axial flow fan is used for reducing the negative pressure at the rear side of the smoke guide plate body so as to absorb the gradually generated oil smoke.
For convenient operation and use, the smoke guide plate also comprises a driving mechanism capable of driving the secondary plate to move back and forth.
In the above scheme, the actuating mechanism include connecting rod, transfer line and driving piece, open on the smoke guide plate body have with the corresponding opening in secondary board edge, the first end of connecting rod passes the opening and rotates with the edge of secondary board and be connected, the perpendicular connecting rod of transfer line arranges and rotates with the second end of connecting rod to be connected, the transfer line is located smoke guide plate body rear side and is connected with the driving piece.
Preferably, the driving member is a push rod motor, and a push rod of the push rod motor is perpendicular to the transmission rod and connected with the transmission rod.
In order to facilitate connection, a sliding groove arranged along the length direction of the opening is arranged on the rear side surface of the smoke guide plate body, and the end part of the transmission rod can be arranged in the sliding groove in a reciprocating manner along the sliding groove.
The utility model provides an use range hood that has above-mentioned smoke guide plate, includes main fan, collection petticoat pipe and smoke guide plate, collection petticoat pipe has from bottom to top's first air intake, its characterized in that: the smoke guide plate body is arranged below the first air inlet of the smoke collecting cover, and the axial flow fan is arranged on the front side of the first air inlet.
In the above scheme, a third oil smoke channel for air flow to pass through is formed between the smoke guide plate body and the first air inlet.
Compared with the prior art, the invention has the advantages that: the smoke guide plate body is provided with the ventilation opening which is arranged towards the air inlet of the smoke exhaust ventilator, and the ventilation opening is provided with the axial flow fan; thereby improving the oil smoke absorption effect.
Drawings
FIG. 1 is a schematic view of a smoke guide plate according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at another angle (secondary panel closed state);
FIG. 3 is a schematic view of the structure of FIG. 1 at another angle (secondary panel open state);
fig. 4 is a schematic structural view of a range hood according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 3, the smoke guide of the present embodiment includes a smoke guide body 1 and an axial flow fan 2, and the axial flow fan 2 is provided at the rear side of the smoke guide body 1. Specifically, vent 11 has been seted up at the middle part of smoke guide plate body 1, and this vent 11 edge extends backward gradually and is formed with first oil smoke passageway 12, and axial fan 2 locates the rear end of first oil smoke passageway 12. The front end of the axial flow fan 2 is provided with an air inlet corresponding to the ventilation opening 11, and the rear end of the axial flow fan 2 is provided with an air outlet. In this embodiment, the side wall of the first oil smoke channel 12 is provided with a hole 121 for allowing oil smoke to pass through and for injecting oil smoke, and by adopting this structure, the oil smoke passing through the ventilation opening 11 can be injected in a larger range, so as to accelerate the oil smoke suction and improve the oil smoke absorption effect. The inner diameter of the first oil smoke channel 12 gradually decreases from front to back, and the structure effectively increases the inner surface area of the first oil smoke channel 12, increases the area of the hole 121 for generating injection effect, and further improves the oil smoke absorption effect.
In the present embodiment, the front side of the smoke guide plate body 1 is further provided with a secondary plate 3 capable of covering or opening the ventilation opening 11, and the secondary plate 3 forms a second smoke passage 14 between the ventilation opening 11 and the smoke guide plate body 1 in an opened state. This secondary board 3 is set up, can control the oil smoke absorption effect to a certain extent: when a large amount of oil smoke is rapidly generated, the secondary plate 3 is opened, on one hand, the negative pressure and injection effect generated by the axial flow fan 2 at the vent 11 are utilized to directly push a large amount of oil smoke into the flue, on the other hand, the negative pressure at the rear side of the smoke guide plate body 1 is reduced when the axial flow fan 2 operates, and the rest oil smoke is sucked from the edge of the smoke guide plate body 1; when the oil smoke generating speed is slower, the secondary board 3 is closed, and the axial flow fan 2 is used for running to reduce the negative pressure at the rear side of the smoke guide plate body 1 so as to absorb the gradually generated oil smoke.
In this embodiment, a driving mechanism 5 is provided which can drive the secondary plate 3 to move forward and backward with respect to the vent 11. The driving mechanism comprises a connecting rod 51, a transmission rod 52 and a driving piece 53, wherein an opening 15 corresponding to the edge of the secondary board 3 is formed in the smoke guide plate body 1, a first end of the connecting rod 51 penetrates through the opening 15 and is in rotary connection with the edge of the secondary board 3 through a rotary shaft, the transmission rod 52 is perpendicular to the connecting rod 51 and is in rotary connection with a second end of the connecting rod 51 through a rotary shaft, and the transmission rod 52 is positioned at the rear side of the smoke guide plate body 1 and is connected with the driving piece 53. The driving member 53 of the present embodiment is a push rod motor, and a push rod 531 of the push rod motor is arranged perpendicular to the transmission rod 52 and connected to the transmission rod 52. The rear side of the smoke guide plate body 1 is provided with a chute 16 arranged along the length direction of the opening 15, and the end of the transmission rod 52 is arranged in the chute 16 in a manner that the transmission rod can move back and forth along the chute 16. The push rod 531 of the push rod motor stretches and contracts to drive the transmission rod 52 to move back and forth along the chute 16, so that the transmission rod 52 drives the connecting rod 51 to drive the secondary board 3 to move up and down, and the ventilation opening 11 is covered or opened.
As shown in fig. 4, the range hood with the smoke guide plate in this embodiment includes a main fan, a smoke collecting hood 6 and a smoke guide plate, the smoke collecting hood 6 has a first air inlet 61 from bottom to top, the smoke guide plate body 1 is disposed below the first air inlet 61 of the smoke collecting hood 6, the axial fan 2 is disposed at the front side of the first air inlet 61, and the air outlet of the axial fan 2 is opposite to the first air inlet 61. A third smoke path 62 through which the air flows is formed between the smoke guide plate body 1 and the first air inlet 61.
When the smoke exhaust ventilator with the smoke guide plate of the embodiment is used, the smoke rises and approaches the ventilation opening 11, the power generated by the operation of the axial flow fan 2 can directly and rapidly push the smoke rising to the vicinity of the ventilation opening 11 into the flue to exhaust a large amount of smoke, meanwhile, the negative pressure at the rear side of the smoke guide plate body 1 can be increased when the axial flow fan 2 operates, so that the smoke is favorably sucked into the flue from the edge of the smoke guide plate body 1, and in addition, a certain injection effect is generated at the edge of the ventilation opening 11 when the axial flow fan 2 operates, so that the smoke is favorably sucked; thereby improving the oil smoke absorption effect.
Claims (8)
1. The utility model provides a smoke guide, includes smoke guide body (1), its characterized in that: the smoke guide plate also comprises an axial flow fan (2), wherein the axial flow fan (2) is arranged at the rear side of the smoke guide plate body (1); the smoke guide plate body (1) is provided with a vent (11), the front end of the axial flow fan (2) is provided with an air inlet corresponding to the vent (11), and the rear end of the axial flow fan (2) is provided with an air outlet;
the smoke guide plate comprises a smoke guide plate body (1), wherein a first oil smoke channel (12) extending backwards gradually from the edge of a ventilation opening (11) is arranged on the smoke guide plate body, a hole (121) for oil smoke to pass through and for injecting oil smoke is formed in the side wall of the first oil smoke channel (12), and the axial flow fan (2) is arranged at the rear end of the first oil smoke channel (12); the front side of the smoke guide plate body (1) is provided with a secondary plate (3) capable of covering or opening the vent (11), and a second oil smoke channel (14) is formed between the secondary plate (3) and the smoke guide plate body (1) when the vent (11) is opened.
2. The smoke-guiding plate of claim 1, wherein: the inner diameter of the first lampblack channel (12) gradually decreases from front to back.
3. The smoke-guiding plate of claim 1, wherein: the device also comprises a driving mechanism (5) which can drive the secondary board (3) to move back and forth.
4. A smoke-guiding plate as claimed in claim 3, wherein: the driving mechanism (5) comprises a connecting rod (51), a transmission rod (52) and a driving piece (53), an opening (15) corresponding to the edge of the secondary board (3) is formed in the smoke guide plate body (1), a first end of the connecting rod (51) penetrates through the opening (15) to be rotationally connected with the edge of the secondary board (3), the transmission rod (52) is perpendicular to the connecting rod (51) and is rotationally connected with a second end of the connecting rod (51), and the transmission rod (52) is located at the rear side of the smoke guide plate body (1) and is connected with the driving piece (53).
5. The smoke-guiding plate of claim 4, wherein: the driving piece (53) is a push rod motor, and a push rod (531) of the push rod motor is perpendicular to the transmission rod (52) and is connected with the transmission rod (52).
6. The smoke-guiding plate of claim 4, wherein: a sliding groove (16) arranged along the length direction of the opening (15) is arranged on the rear side surface of the smoke guide plate body (1), and the end part of the transmission rod (52) is arranged in the sliding groove (16) in a way of being capable of moving back and forth along the sliding groove (16).
7. A range hood with the smoke guide plate according to any one of claims 1-6, comprising a main fan, a smoke collecting hood (6) and the smoke guide plate, wherein the smoke collecting hood (6) is provided with a first air inlet (61) from bottom to top, and is characterized in that: the smoke guide plate body (1) is arranged below a first air inlet (61) of the smoke collecting cover (6), and the axial flow fan (2) is arranged on the front side of the first air inlet (61).
8. The range hood of claim 7, wherein: a third oil smoke channel (62) for air flow to pass through is formed between the smoke guide plate body (1) and the first air inlet (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918368.XA CN109595623B (en) | 2017-09-30 | 2017-09-30 | Smoke guide plate and range hood using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918368.XA CN109595623B (en) | 2017-09-30 | 2017-09-30 | Smoke guide plate and range hood using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109595623A CN109595623A (en) | 2019-04-09 |
| CN109595623B true CN109595623B (en) | 2024-01-16 |
Family
ID=65956599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710918368.XA Active CN109595623B (en) | 2017-09-30 | 2017-09-30 | Smoke guide plate and range hood using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595623B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306593B (en) * | 2020-03-16 | 2022-03-18 | 宁波方太厨具有限公司 | Range hood and control method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006038269A (en) * | 2004-07-23 | 2006-02-09 | Matsushita Electric Works Ltd | Range hood |
| JP2012207876A (en) * | 2011-03-30 | 2012-10-25 | Toho Gas Co Ltd | Shallow type range hood |
| CN203036727U (en) * | 2012-12-28 | 2013-07-03 | 广东万家乐燃气具有限公司 | Multichannel air inlet nearly suction type extractor hood |
| CN203231365U (en) * | 2013-03-29 | 2013-10-09 | 海尔集团公司 | Side suction range hood |
| CN204329100U (en) * | 2014-09-29 | 2015-05-13 | 博西华电器（江苏）有限公司 | Range hood |
| CN105202604A (en) * | 2015-10-15 | 2015-12-30 | 宁波方太厨具有限公司 | Range hood provided with fume blocking mechanism |
| CN106439965A (en) * | 2016-09-30 | 2017-02-22 | 宁波方太厨具有限公司 | Double-air-inflow extractor hood |
| CN207214191U (en) * | 2017-09-30 | 2018-04-10 | 宁波方太厨具有限公司 | A kind of smoke deflector and application have the range hood of the smoke deflector |
-
2017
- 2017-09-30 CN CN201710918368.XA patent/CN109595623B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006038269A (en) * | 2004-07-23 | 2006-02-09 | Matsushita Electric Works Ltd | Range hood |
| JP2012207876A (en) * | 2011-03-30 | 2012-10-25 | Toho Gas Co Ltd | Shallow type range hood |
| CN203036727U (en) * | 2012-12-28 | 2013-07-03 | 广东万家乐燃气具有限公司 | Multichannel air inlet nearly suction type extractor hood |
| CN203231365U (en) * | 2013-03-29 | 2013-10-09 | 海尔集团公司 | Side suction range hood |
| CN204329100U (en) * | 2014-09-29 | 2015-05-13 | 博西华电器（江苏）有限公司 | Range hood |
| CN105202604A (en) * | 2015-10-15 | 2015-12-30 | 宁波方太厨具有限公司 | Range hood provided with fume blocking mechanism |
| CN106439965A (en) * | 2016-09-30 | 2017-02-22 | 宁波方太厨具有限公司 | Double-air-inflow extractor hood |
| CN207214191U (en) * | 2017-09-30 | 2018-04-10 | 宁波方太厨具有限公司 | A kind of smoke deflector and application have the range hood of the smoke deflector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109595623A (en) | 2019-04-09 |
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